.navbar{
  z-index: 9999;
  margin-bottom: 0;
}
body{
  box-sizing: border-box;
}
#bs-example-navbar-collapse-1 .link-a{
  color: black;
}
#bs-example-navbar-collapse-1 .link-a:hover{
   color: gold;
}
.a{
  background-color: transparent !important;
}
.navbar-default .navbar-nav > .active > a, .navbar-default .navbar-nav > .active > a:hover, .navbar-default .navbar-nav > .active > a{
  position: relative;
}
.navbar-default .navbar-nav > .active > a, .navbar-default .navbar-nav > .active > a:hover, .navbar-default .navbar-nav > .active > a:focus{
  /* background-color: aqua; */
  border-bottom: 6px solid gold;
  background-color: transparent;
  color: gold;
  font-size: 22px;
}

.navbar-nav > li > a{
  /* padding-bottom: 0px; */
}
.navbar-default .navbar-toggle:hover, .navbar-default .navbar-toggle:focus{
  background-color: transparent;
}
.navbar-default .navbar-toggle:hover, .navbar-default .navbar-toggle:focus,.navbar-default .navbar-toggle{
  border: none;
}
.navbar-default .navbar-toggle .icon-bar{
  background-color: gold;
}
.navbar-toggle{
  margin-right: 0px;
}
@media (max-width: 768px) {
  .navbar-default .navbar-nav > .active > a, .navbar-default .navbar-nav > .active > a:hover, .navbar-default .navbar-nav > .active > a:focus{
    /* background-color: aqua; */
    border-bottom:none;
    background-color: gold;
    color: black;
  }
}
body{
  transition:all 0.5s;
}
.height{
  height: 0.8px;
}
.navbar-brand-a{
  display: flex;
  justify-content: center;
  align-items: center;
}
.navbar .logo{
  color: white;
  padding: 15px 0px;
}
.top{
  width: 80px;
  height: 80px;
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: antiquewhite;
  text-align: center;
  line-height: 80px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 1s;
}
.noShow{
  /* display: none; */
  opacity: 0;
  right: -150px;
}
.isShow{
  /* display: block; */
  opacity: 1;
  right: 20px;
}